Answers

2016-03-17T08:19:22+05:30
Since AD is the median of the triangle ABC , ar(ABD)=ar(AED)
since E is the midpoint of AD , in triangle ABD , BE is the median , ar(ABE)= ar(DBE)
since CE is the median  of triangle ACD , ar(ACE)=ar(DCE)
since area of the 2 triangles are equal , 
ar(BED)=ar(AEC)

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